Codex
OpenAI's agentic coding tool, terminal and cloud.
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Every piece below comes from hands-on work with Codex: pricing, real setup, where it wins, where it falls short, and the alternatives worth weighing.
Codex — Tool Lab art
Articles featuring Codex39 articles
ChatGPT Data Can Cut Weekly Reporting Handoffs
ChatGPT Data turns connected business data into recurring reports. Price Work usage, warehouse queries, review, and Site sharing before rollout.Sep 11, 2026Explained
OpenAI Agents API vs Agents SDK
Compare the managed OpenAI Agents API with Agents SDK on session ownership, runtime control, sandbox costs, and migration work.Sep 11, 2026Build
How to Use Codex CLI Worktrees
Use Codex CLI worktrees for isolated coding sessions, then check branches, dependencies, resume behavior, and cleanup before keeping the change.Sep 10, 2026Build
ChatGPT Deep Research Now Shares Your Work Budget
Deep Research in ChatGPT Work uses the same Work/Codex allowance or credits. Learn what it costs and how to check each delivered report.Sep 10, 2026Explained
ChatGPT Can Prepare Zendesk Replies From Ticket History
ChatGPT can read Zendesk tickets and help prepare replies. See the account requirements, review steps, and a small-team pilot for measuring time saved.Sep 8, 2026Explained
AI Tools for Lawyers
Seven law-firm workflows with live tool prices, no-code setup steps, monthly cost math, data boundaries, and the human checks that stay.Sep 4, 2026Playbooks
Codex Plugin Marketplaces Cut Repeated Team Setup
Codex CLI 0.153.0 can manage plugins from remote marketplaces. See how that shifts setup labor into catalog trust, updates, and rollback.Sep 3, 2026Explained
Codex CLI 0.152.0, explained: what actually changed
Codex CLI 0.152.0 adds per-tool MCP output limits, longer app-server shell timeouts, Vim draft search, and clearer recovery states.Sep 1, 2026Explained
Claude Code Alternatives for Predictable Weekly Usage 2026
Seven Claude Code alternatives ranked by budget predictability, with live 2026 prices, hard-cap mechanics, and a September 14 migration plan.Aug 30, 2026Build
Best Cross-Device Coding Agents 2026
Compare five cross-device coding agents for persistent sessions, local execution, mobile approvals, privacy walls, and current 2026 pricing.Aug 29, 2026Build
AI Inference Chips vs GPUs for Agent Workloads 2026
AI inference chips vs GPUs for agent workloads, with OpenAI Jalapeño benchmarks, live prices, crossover math, switching costs, and a 2026 verdict.Aug 27, 2026AI
Best AI Inference Hardware for Low Latency Agents 2026
Seven AI inference hardware paths compared on agent latency, model fit, access, and current cost, verified against live vendor pages in August 2026.Aug 27, 2026AI
Open Source Coding Agents That Use Existing Subscriptions 2026
Eight open-source coding agents can reuse plans you already pay for. Compare OpenCode, fx, goose, Codex CLI, Gemini CLI, Cline, Kilo Code, and Aider.Aug 25, 2026Build
Best AI Coding Agents With Browser Testing 2026
Seven browser-testing coding agents ranked by proof, price, and workflow, verified August 2026.Aug 23, 2026Build
Jasper Pricing (2026): Pro Starts at $69, Business Adds Credits
Jasper Pro costs $69 monthly or $708 yearly. See the one-seat limit, Business credit overages, annual break-even, refunds, and cheaper alternatives.Aug 21, 2026Growth
Best Mac AI Assistants for Business Workflows 2026
A verified comparison of the 9 best Mac AI assistants for business workflows in 2026, with current prices, permission walls and 10-seat cost math.Aug 20, 2026AI
OpenClaw Pricing (2026): Free Software, Paid Runtime
OpenClaw is free, but running it is not. Compare local, VPS, managed, model, search, backup, and labor costs with break-even math verified in August 2026.Aug 16, 2026AI
Sora Review (Verified August 2026)
Sora is closed to consumers and its API ends September 24. See current prices, capabilities, hard limits, and the best active alternatives.Aug 16, 2026Design
Best AI Coding Agents for Enterprise
Nine enterprise AI coding agents compared on governance, security, deployment, codebase context, and live pricing, with a clear rollout decision.Aug 14, 2026Build
Manus Pricing (2026): $20 Buys 4,000 Credits, Not Unlimited Work
Manus costs $0 to $20,000 a month. Compare every tier, annual price, add-on, team cost, free limit, and the break-even point.Aug 14, 2026AI
Muse Code Alternatives
Compare seven Muse Code alternatives by workflow, every live pricing tier, free access, team cost, and the wall each tool hits. Verified August 2026.Aug 10, 2026Build
Siri AI (Verified August 2026)
Siri AI costs $0 on eligible Apple hardware but remains a beta. See supported devices, exact pricing, privacy, limitations, alternatives, and verdict.Aug 10, 2026AI
Claude Code vs Codex Cost for Teams
Claude Code and Codex tie at $20 per seat. Compare normalized overage costs, limits, crossover points, and switching economics for engineering teams.Aug 9, 2026Build
Codex Review (Verified August 2026)
A verified Codex review covering pricing, local and cloud workflows, code review, privacy, limitations, and who should choose an alternative.Aug 2, 2026AI
Grok vs ChatGPT: Which AI Is Actually Better in 2026?
A current, price-honest head-to-head of Grok 4.3 and ChatGPT: real 2026 pricing, the axis that decides, and which to pay for.Jun 1, 2026AI
Claude vs ChatGPT (2026): Which One to Pay For
Claude Opus 4.8 vs GPT-5.5, head to head: coding, writing, pricing, images. The clear verdict on which AI to actually pay for in 2026.May 30, 2026AI
10 Best AI Proposal Software 2026 (and the Per-Seat Tax)
I priced 10 AI proposal tools at four seats. PandaDoc Business runs $2,352/yr; Better Proposals runs $624 for the same job. The real math.May 25, 2026Growth
Codex folded into the ChatGPT org: my roadmap-risk test
OpenAI folded Codex, ChatGPT and the API into one org under Brockman. Codex is now a super-app wedge, not a standalone tool. My roadmap-risk test.May 17, 2026AI
Notion Custom Agents: $340/month shock — cap or rebuild?
The real burn math after Notion metered Custom Agents at $10 per 1,000 credits: a client OS's three-way decision and the accounting recaps skip.May 16, 2026Growth
Opus 4.7 +27%, GPT-5.5 2x: The Harness That Held
Three vendors quietly raised AI cost in one week. Which mechanism hits your stack, and the cache, router and spend-cap architecture that absorbs it.May 16, 2026AI
Grok Build: cheapest model, $300/mo door — the operator math
Grok Build's cheap model is gated behind a $300/mo tier: the subscription-vs-API math for an operator already on Claude Max, and why it waits.May 16, 2026AI
Mercury OCC Approval: My 5-Venture Banking Decision
Mercury received OCC conditional approval for Mercury Bank, N.A. on April 28, 2026, two weeks after acquiring Central, an AI-native payroll platform. Senior founders running multiple entities now have to decide whether to consolidate…May 15, 2026Growth
Claude Agent SDK on a Separate Meter June 15: The Token Math
On May 13 Anthropic announced that starting June 15, 2026, programmatic Claude usage (Agent SDK, `claude -p`, Claude Code GitHub Actions, third-party apps) draws from a separate credit pool instead of subscription limits. Pro gets $20,…May 15, 2026AI
Codex Mobile Preview: Async Coding as the Solo-Op Default
On May 14, 2026, OpenAI shipped a preview of Codex inside the ChatGPT mobile app on iOS, iPad, and Android, available on all plans including Free and Go. The phone becomes a thin controller over a Codex desktop session running on a paired…May 15, 2026AI
Codex in ChatGPT mobile: async coding for solo operators
OpenAI shipped Codex inside ChatGPT mobile on May 14, free tier included. The phone is now the agent control plane for solo Mac operators.May 15, 2026AI
Notion Developer Platform: the August 11 credit cliff
On May 13, 2026, Notion launched its Developer Platform — Workers (hosted code runtime), External Agents with partner integrations for Claude Code, Cursor, Codex and Decagon, an External Agent API for custom agents, a CLI called `ntn`,…May 15, 2026AI
OpenAI's Free Codex Offer: The 60-Day P&L That Said No
A first-person operator P&L for solo founders weighing OpenAI's May 13 promotion against staying on Anthropic Max with the new +50% weekly Claude Code limit through July 13. Walks the actual switching cost in engineering hours, the…May 14, 2026Growth
Claude Code +50% Weekly Cap: Migration Math for July 13
On May 13, 2026, Anthropic raised Claude Code weekly limits 50 percent through July 13 for Pro, Max, Team, and seat-based Enterprise accounts. The same day, OpenAI offered two free months of Codex to teams who migrate inside 30 days. The…May 14, 2026AI
v2.1.141 Fixed My 3 Claude Code Hook Bugs
A practical upgrade guide for senior devs already running Claude Code hooks in production. Walks through the three concrete fixes that landed in v2.1.139 to v2.1.141 (terminalSequence for headless notifications, args:string[] for…May 14, 2026BuildNewsletter
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